Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

25th August 2013

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 11 and a maximum of 27. Work out the range.
3
Standard Form3 marks
Work out (15 x 10^12) / (3 x 10^4). Give your answer in standard form.
4
Factorising Harder Quadratics3 marks
Factorise 20x^2 + 7x - 3.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 25. Work out y when x = 5.

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